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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounting Policies [Abstract]
Percentage of liability for severance obligations deposited with pension fund	72.00%
Stock based compensation	$ 121	$ 141	$ 56
Deferred revenue Increase	206	$ 0
Advance revenues recognized	445
Increase in recognized revenues	239
Deferred revenues	$ 206

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Increase decrease in recognized revenues.

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For the non-management employees, the Parent deposits 72% of its liability for severance obligations with a pension fund for such employees, and upon completion of one year of employment with the Parent, it makes a one-time deposit with the pension fund for the remaining balance

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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(5))
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Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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Amount of noncash expense for share-based payment arrangement.

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-Name Accounting Standards Codification
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